/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
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**************************************************************************/
#ifndef TUNNEL_H
#define TUNNEL_H

#include <QObject>
#include <QSharedPointer>

QT_BEGIN_NAMESPACE
class QTcpServer;
class QTcpSocket;
QT_END_NAMESPACE

namespace QSsh {
class SshConnection;
class SshConnectionParameters;
class SshDirectTcpIpTunnel;
}

class DirectTunnel : public QObject
{
    Q_OBJECT
public:
    DirectTunnel(const QSsh::SshConnectionParameters &parameters, QObject *parent = 0);
    ~DirectTunnel();

    void run();

signals:
    void finished(int errorCode);

private slots:
    void handleConnected();
    void handleConnectionError();
    void handleServerData();
    void handleInitialized();
    void handleTunnelError(const QString &reason);
    void handleTunnelClosed();
    void handleNewConnection();
    void handleSocketError();
    void handleClientData();
    void handleTimeout();

private:
    QSsh::SshConnection * const m_connection;
    QSharedPointer<QSsh::SshDirectTcpIpTunnel> m_tunnel;
    QTcpServer * const m_targetServer;
    QTcpSocket *m_targetSocket;
    quint16 m_targetPort;
    QByteArray m_dataReceivedFromServer;
    QByteArray m_dataReceivedFromClient;
    bool m_expectingChannelClose;
};

#endif // TUNNEL_H
